DE69611981D1 - Schaltung zur Anpassung an die Impedanz einer Spannungsversorgungsleitung - Google Patents

Schaltung zur Anpassung an die Impedanz einer Spannungsversorgungsleitung

Info

Publication number
DE69611981D1
DE69611981D1 DE69611981T DE69611981T DE69611981D1 DE 69611981 D1 DE69611981 D1 DE 69611981D1 DE 69611981 T DE69611981 T DE 69611981T DE 69611981 T DE69611981 T DE 69611981T DE 69611981 D1 DE69611981 D1 DE 69611981D1
Authority
DE
Germany
Prior art keywords
impedance
matching
circuit
power supply
supply line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69611981T
Other languages
English (en)
Other versions
DE69611981T2 (de
Inventor
Claude Renous
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by STMicroelectronics SA filed Critical STMicroelectronics SA
Publication of DE69611981D1 publication Critical patent/DE69611981D1/de
Application granted granted Critical
Publication of DE69611981T2 publication Critical patent/DE69611981T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/28—Impedance matching networks
    • H03H11/30—Automatic matching of source impedance to load impedance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
DE69611981T 1995-12-27 1996-12-17 Schaltung zur Anpassung an die Impedanz einer Spannungsversorgungsleitung Expired - Fee Related DE69611981T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9515830A FR2743226B1 (fr) 1995-12-27 1995-12-27 Dispositif adaptatif a l'impedance d'une ligne d'alimentation

Publications (2)

Publication Number Publication Date
DE69611981D1 true DE69611981D1 (de) 2001-04-12
DE69611981T2 DE69611981T2 (de) 2001-10-04

Family

ID=9486226

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69611981T Expired - Fee Related DE69611981T2 (de) 1995-12-27 1996-12-17 Schaltung zur Anpassung an die Impedanz einer Spannungsversorgungsleitung

Country Status (4)

Country Link
US (1) US5777463A (de)
EP (1) EP0782257B1 (de)
DE (1) DE69611981T2 (de)
FR (1) FR2743226B1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001082576A1 (en) * 2000-04-19 2001-11-01 Phonex Broadband Corporation Method and system for phone line impedance detection and automatic impedance matching
US7208919B2 (en) * 2005-05-17 2007-04-24 Sigmatel, Inc. Method and apparatus for digitally regulating an output voltage using noise-shaped component selection
US7869542B2 (en) * 2006-02-03 2011-01-11 Quantance, Inc. Phase error de-glitching circuit and method of operating
CN101401261B (zh) * 2006-02-03 2012-11-21 匡坦斯公司 功率放大器控制器电路
US7933570B2 (en) * 2006-02-03 2011-04-26 Quantance, Inc. Power amplifier controller circuit
US8095090B2 (en) * 2006-02-03 2012-01-10 Quantance, Inc. RF power amplifier controller circuit
US8032097B2 (en) 2006-02-03 2011-10-04 Quantance, Inc. Amplitude error de-glitching circuit and method of operating
US7917106B2 (en) * 2006-02-03 2011-03-29 Quantance, Inc. RF power amplifier controller circuit including calibrated phase control loop
US8258863B2 (en) * 2011-01-05 2012-09-04 Texas Instruments Incorporated Circuit and method for reducing input leakage in chopped amplifier during overload conditions
US9970979B2 (en) * 2015-07-06 2018-05-15 Dialog Semiconductor (Uk) Limited MOS transistor saturation region detector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163311A (en) * 1984-08-17 1986-02-19 Philips Electronic Associated Bipolar transistor rf power amplifier
US4794507A (en) * 1987-04-03 1988-12-27 Doble Engineering Company Controlling electrical power
DE3744112A1 (de) * 1987-12-01 1989-06-15 Carl Spitzenberger Verstaerkeranordnung
FR2651623A1 (fr) * 1989-09-01 1991-03-08 Radiotechnique Compelec Circuit integre presentant une detection d'etat de saturation.
US5003454A (en) * 1990-01-09 1991-03-26 North American Philips Corporation Power supply with improved power factor correction
FR2686759B1 (fr) * 1992-01-29 1994-04-22 Sgs Thomson Microelectronics Dispositif de regulation de puissance pour un haut-parleur de poste de telephone pendant une sonnerie .
US5160896A (en) * 1992-02-18 1992-11-03 Harman International Industries, Incorporated Class D amplifier

Also Published As

Publication number Publication date
DE69611981T2 (de) 2001-10-04
US5777463A (en) 1998-07-07
FR2743226B1 (fr) 1998-03-20
EP0782257A1 (de) 1997-07-02
FR2743226A1 (fr) 1997-07-04
EP0782257B1 (de) 2001-03-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee